@each $type in center, start, end, between, around{
	.us-flex-#{$type} {
	  display: flex;
	  @if $type==center{
		  justify-content: center;
	  } @else if $type==start or $type==end{
		  justify-content: flex-#{$type};
	  } @else if $type==between or $type==around{
		  justify-content: space-#{$type};
	  }
	}
	.us-flex-c-#{$type} {
	  display: flex;
	  flex-direction: column;
	  @if $type==center{
		  justify-content: center;
	  } @else if $type==start or $type==end{
		  justify-content: flex-#{$type};
	  } @else if $type==between or $type==around{
		  justify-content: space-#{$type};
	  }
	}
}
.us-flex-a-center{
	 display: flex;
	 align-items: center;
	 justify-content: center;
}
.us-flex1{
	flex: 1;
}